git.sur5r.net Git - openldap/blob - servers/slapd/init.c

   1 /* init.c - initialize various things */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/socket.h>
  13 #include <ac/string.h>
  14 #include <ac/time.h>
  15
  16 #include "slap.h"
  17 #include "lber_pvt.h"
  18 #ifdef LDAP_SLAPI
  19 #include "slapi.h"
  20 #endif
  21
  22 /*
  23  * read-only global variables or variables only written by the listener
  24  * thread (after they are initialized) - no need to protect them with a mutex.
  25  */
  26 int             slap_debug = 0;
  27
  28 #ifdef LDAP_DEBUG
  29 int             ldap_syslog = LDAP_DEBUG_STATS;
  30 #else
  31 int             ldap_syslog;
  32 #endif
  33
  34 #ifdef LOG_DEBUG
  35 int             ldap_syslog_level = LOG_DEBUG;
  36 #endif
  37
  38 BerVarray default_referral = NULL;
  39
  40 struct berval AllUser = BER_BVC( LDAP_ALL_USER_ATTRIBUTES );
  41 struct berval AllOper = BER_BVC( LDAP_ALL_OPERATIONAL_ATTRIBUTES );
  42 struct berval NoAttrs = BER_BVC( LDAP_NO_ATTRS );
  43
  44 /*
  45  * global variables that need mutex protection
  46  */
  47 ldap_pvt_thread_pool_t  connection_pool;
  48 int                     connection_pool_max = SLAP_MAX_WORKER_THREADS;
  49 ldap_pvt_thread_mutex_t gmtime_mutex;
  50 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
  51 ldap_pvt_thread_mutex_t passwd_mutex;
  52 #endif
  53
  54 unsigned long                   num_ops_initiated = 0;
  55 unsigned long                   num_ops_completed = 0;
  56 #ifdef SLAPD_MONITOR
  57 unsigned long                   num_ops_initiated_[SLAP_OP_LAST];
  58 unsigned long                   num_ops_completed_[SLAP_OP_LAST];
  59 #endif /* SLAPD_MONITOR */
  60 ldap_pvt_thread_mutex_t num_ops_mutex;
  61
  62 unsigned long                   num_entries_sent;
  63 unsigned long                   num_refs_sent;
  64 unsigned long                   num_bytes_sent;
  65 unsigned long                   num_pdu_sent;
  66 ldap_pvt_thread_mutex_t num_sent_mutex;
  67 /*
  68  * these mutexes must be used when calling the entry2str()
  69  * routine since it returns a pointer to static data.
  70  */
  71 ldap_pvt_thread_mutex_t entry2str_mutex;
  72 ldap_pvt_thread_mutex_t replog_mutex;
  73
  74 static const char* slap_name = NULL;
  75 int slapMode = SLAP_UNDEFINED_MODE;
  76
  77 int
  78 slap_init( int mode, const char *name )
  79 {
  80         int rc;
  81
  82         assert( mode );
  83
  84         if( slapMode != SLAP_UNDEFINED_MODE ) {
  85 #ifdef NEW_LOGGING
  86                 LDAP_LOG( OPERATION, CRIT,
  87                         "init: %s init called twice (old=%d, new=%d)\n",
  88                         name, slapMode, mode );
  89 #else
  90                 Debug( LDAP_DEBUG_ANY,
  91                  "%s init: init called twice (old=%d, new=%d)\n",
  92                  name, slapMode, mode );
  93 #endif
  94
  95                 return 1;
  96         }
  97
  98         slapMode = mode;
  99
 100         switch ( slapMode & SLAP_MODE ) {
 101                 case SLAP_SERVER_MODE:
 102                 case SLAP_TOOL_MODE:
 103 #ifdef NEW_LOGGING
 104                         LDAP_LOG( OPERATION, DETAIL1,
 105                                 "init: %s initiation, initiated %s.\n",
 106                                 name, (mode & SLAP_MODE) == SLAP_TOOL_MODE ?
 107                                   "tool" : "server", 0 );
 108 #else
 109                         Debug( LDAP_DEBUG_TRACE,
 110                                 "%s init: initiated %s.\n",     name,
 111                                 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server",
 112                                 0 );
 113 #endif
 114
 115
 116                         slap_name = name;
 117
 118                         (void) ldap_pvt_thread_initialize();
 119
 120                         ldap_pvt_thread_pool_init(&connection_pool, connection_pool_max, 0);
 121
 122                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 123                         ldap_pvt_thread_mutex_init( &replog_mutex );
 124                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 125                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 126
 127 #ifdef SLAPD_MONITOR
 128                         {
 129                                 int i;
 130                                 for ( i = 0; i < SLAP_OP_LAST; i++ ) {
 131                                         num_ops_initiated_[ i ] = 0;
 132                                         num_ops_completed_[ i ] = 0;
 133                                 }
 134                         }
 135 #endif
 136
 137                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 138 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 139                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 140 #endif
 141
 142                         rc = slap_sasl_init();
 143
 144                         if( rc == 0 ) {
 145                                 rc = backend_init( );
 146                         }
 147
 148                         break;
 149
 150                 default:
 151 #ifdef NEW_LOGGING
 152                         LDAP_LOG( OPERATION, ERR,
 153                                 "init: %s init, undefined mode (%d).\n", name, mode, 0 );
 154 #else
 155                         Debug( LDAP_DEBUG_ANY,
 156                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 157 #endif
 158
 159                         rc = 1;
 160                         break;
 161         }
 162
 163         return rc;
 164 }
 165
 166 int slap_startup( Backend *be )
 167 {
 168         int rc;
 169
 170 #ifdef NEW_LOGGING
 171         LDAP_LOG( OPERATION, CRIT, "slap_startup: %s started\n", slap_name, 0, 0 );
 172 #else
 173         Debug( LDAP_DEBUG_TRACE,
 174                 "%s startup: initiated.\n",
 175                 slap_name, 0, 0 );
 176 #endif
 177
 178
 179         rc = backend_startup( be );
 180
 181 #ifdef LDAP_SLAPI
 182         if( rc == 0 ) {
 183                 Slapi_PBlock *pb = slapi_pblock_new();
 184
 185                 if ( doPluginFNs( NULL, SLAPI_PLUGIN_START_FN, pb ) < 0 ) {
 186                         rc = -1;
 187                 }
 188                 slapi_pblock_destroy( pb );
 189         }
 190 #endif /* LDAP_SLAPI */
 191
 192         return rc;
 193 }
 194
 195 int slap_shutdown( Backend *be )
 196 {
 197         int rc;
 198 #ifdef LDAP_SLAPI
 199         Slapi_PBlock *pb;
 200 #endif
 201
 202 #ifdef NEW_LOGGING
 203         LDAP_LOG( OPERATION, CRIT,
 204                 "slap_shutdown: %s shutdown initiated.\n", slap_name, 0, 0);
 205 #else
 206         Debug( LDAP_DEBUG_TRACE,
 207                 "%s shutdown: initiated\n",
 208                 slap_name, 0, 0 );
 209 #endif
 210
 211
 212         slap_sasl_destroy();
 213
 214         /* let backends do whatever cleanup they need to do */
 215         rc = backend_shutdown( be );
 216
 217 #ifdef LDAP_SLAPI
 218         pb = slapi_pblock_new( );
 219         (void) doPluginFNs( NULL, SLAPI_PLUGIN_CLOSE_FN, pb );
 220         slapi_pblock_destroy( pb );
 221 #endif /* LDAP_SLAPI */
 222
 223         return rc;
 224 }
 225
 226 int slap_destroy(void)
 227 {
 228         int rc;
 229
 230 #ifdef NEW_LOGGING
 231         LDAP_LOG( OPERATION, INFO,
 232                 "slap_destroy: %s freeing system resources.\n", slap_name, 0, 0);
 233 #else
 234         Debug( LDAP_DEBUG_TRACE,
 235                 "%s shutdown: freeing system resources.\n",
 236                 slap_name, 0, 0 );
 237 #endif
 238
 239
 240         rc = backend_destroy();
 241
 242         entry_destroy();
 243
 244         ldap_pvt_thread_destroy();
 245
 246         /* should destory the above mutex */
 247         return rc;
 248 }